floxif | 2576bc7b90a1327ad78158e9bc780a01cbe3eeabd27160541504af50229158b5

General

Target
2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe
Size 2.5MB
Sample260502-ps33msfx7v
SHA256 2576bc7b90a1327ad78158e9bc780a01cbe3eeabd27160541504af50229158b5
MD5 1972a1e618eaf45579af1f1ea669369d
SHA1 532edbc64e1fee04f20c8ff6fa6b48b3419c91ac
SHA512 86a0509be0ba3f495e2bfed2c5571c7ed4e779987cc87b8544bde0865a19fe9802fb5ebb71083a61d347fef917be2b1773392038085c11a04629c35b48c5052d
SSDEEP 49152:tuIgKIofs2hPd2l177BTK2VbDsar1YDjr:tj9fs2hPIl1/o
TLSH
T12DC5AE00FB46D2F2DD47627448FBA31E462996F843141AD7E3580E0F5EAAAD37D3A18D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery floxif persistence privilege_escalation trojan upx

Malware Config

Signatures

Family: Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral1/files/0x000c000000024128-1.dat	floxif

Custom signature

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/files/0x000c000000024128-1.dat	UPX
behavioral1/memory/2060-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2060-19-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000c000000024128-1.dat	acprotect

Loads dropped DLL 7 IoCs

pid	Process
2060	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe
4844	WerFault.exe
3180	WerFault.exe
4632	WerFault.exe
4968	WerFault.exe
4068	WerFault.exe
4012	WerFault.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000c000000024128-1.dat	upx
behavioral1/memory/2060-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2060-19-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4968	2060	WerFault.exe	83
4632	2060	WerFault.exe	83
4012	2060	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2060	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe
2060	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe

C:\Users\Admin\AppData\Local\Temp\2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-02_1972a1e618eaf45579af1f1ea669369d_darkgate_elex_floxif_mafia.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 924
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 848
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 856
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2060 -ip 2060
1⤵
- Loads dropped DLL
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2060 -ip 2060
1⤵
- Loads dropped DLL
PID:3180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2060 -ip 2060
1⤵
- Loads dropped DLL
PID:4068

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

symsrv.dll

Path C:\Program Files\Common Files\System\symsrv.dll
Size 67KB
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
TLSH
T17863F1372AB5807DDD210D37949F835AB771E5A76C20643FC25907D988B8DD0E3239AE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2060-4-0x0000000010000000-0x0000000010030000-memory.dmp

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memory/2060-6-0x0000000000E11000-0x0000000000E12000-memory.dmp

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memory/2060-17-0x0000000000E10000-0x000000000107A000-memory.dmp

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memory/2060-19-0x0000000010000000-0x0000000010030000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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